package org.litesoft.p2pchat;

import java.awt.*;
import java.awt.event.*;

// Copyright Status:
//
// All Software available from LiteSoft.org (including this file) is
// hereby released into the public domain.
//
// It is free!  As in, you may use it freely in both commercial and
// non-commercial applications, bundle it with your software
// distribution, include it on a CD-ROM, list the source code in a book,
// mirror the documentation at your own web site, or use it in any other
// way you see fit.
//
// NO Warranty!
//
// All software is provided "as is".
//
// There is ABSOLUTELY NO WARRANTY OF ANY KIND: not for the design, fitness
// (for a particular purpose), level of errors (or lack thereof), or
// applicability of this software.  The entire risk as to the quality
// and performance of this software is with you.  Should this software
// prove defective, you assume the cost of all necessary servicing, repair
// or correction.
//
// In no event unless required by applicable law or agreed to in writing
// will any party who created or may modify and/or redistribute this
// software, be liable to you for damages, including any general,
// special, incidental or consequential damages arising out of the use or
// inability to use this software (including but not limited to loss of
// data or data being rendered inaccurate or losses sustained by you or
// third parties or a failure of this software to operate with any
// other programs), even if such holder or other party has been advised
// of the possibility of such damages.
//
// NOTE: Should you discover a bug, have a recogmendation for a change, wish
// to submit modifications, or wish to add new classes/functionality,
// please email them to:
//
//        changes@litesoft.org
//

/**
 * @author  Devin Smith and George Smith
 * @version 0.3 02/02/02 Added IllegalArgument.ifNull for all public params that may not be null
 * @version 0.2 01/28/02 Refactored and Added Licence
 * @version 0.1 12/27/01 Initial Version
 */
public class UserDialogPrivateMessageAWT extends Frame
{
    private UserDialogAWT zUserDialog;
    private MyInfo zMyInfo;
    private ActivePeer zPeerListener;

    private TextField zChatText;
    private TextArea zMessagesTextArea;

    public UserDialogPrivateMessageAWT( UserDialogAWT pUserDialog , MyInfo pMyInfo , ActivePeer pPeerListener )
    {
        super( "P2P Chat Private Messaging with " + pPeerListener.getPeerInfo().toString() );

        IllegalArgument.ifNull( "UserDialog" , zUserDialog = pUserDialog );
        IllegalArgument.ifNull( "MyInfo" , zMyInfo = pMyInfo );
        IllegalArgument.ifNull( "PeerListener" , zPeerListener = pPeerListener );

        setLayout( new BorderLayout() );

        add( "Center" , layoutReceivedMessagesPanel() );
        add( "South" , layoutChatEntryPanel() );
        pack();
        addWindowListener(
            new WindowAdapter()
            {
                public void windowClosing( WindowEvent e )
                {
                    zUserDialog.unregisterPrivateMessager( zPeerListener.getPeerInfo() );
                    dispose();
                }
            }
        );
        show();
    }

    private Panel layoutChatEntryPanel()
    {
        Panel panel = new Panel();
        panel.setLayout( new BorderLayout() );
        panel.add( "West" , new Label( "Message to Send:" ) );
        panel.add( "Center" , zChatText = new TextField() );
        zChatText.addActionListener(
            new ActionListener()
            {
                public void actionPerformed( ActionEvent e )
                {
                    String pLine = e.getActionCommand();
                    zChatText.setText( "" );
                    zPeerListener.sendPMSG( pLine );
                    send( zMyInfo.getChatName() + ": " + pLine );
                }
            }
        );
        return panel;
    }

    private Panel layoutReceivedMessagesPanel()
    {
        Panel panel = new Panel();
        panel.setLayout( new BorderLayout() );
        panel.add( "North" , new Label( "Received Messages:" ) );
        panel.add( "Center" , zMessagesTextArea = new TextArea() );
        zMessagesTextArea.setEnabled( true );
        zMessagesTextArea.setEditable( false );
        return panel;
    }

    public void send( String pMessage )
    {
        IllegalArgument.ifNull( "Message" , pMessage );
        String current = zMessagesTextArea.getText();
        current += pMessage + "\n";
        zMessagesTextArea.setText( current );
    }
}
